import 'package:flutter/material.dart';

void main() {
  runApp(const MyApp());
}

class MyApp extends StatelessWidget {
  const MyApp({Key? key}) : super(key: key);

  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      theme: ThemeData(
        primarySwatch: Colors.blue,
      ),
      home: const MyHomePage(title: 'Flutter Demo Home Page'),
      routes: <String, WidgetBuilder>{
        // '/': (BuildContext context) {
        //   return Scaffold(
        //     appBar: AppBar(
        //       title: const Text('Home Route'),
        //     ),
        //   );
        // },
        '/about': (BuildContext context) {
          return Scaffold(
            appBar: AppBar(
              title: const Text('About Route'),
            ),
          );
        }
      },
      debugShowCheckedModeBanner: true,
    );
  }
}

class MyHomePage extends StatefulWidget {
  const MyHomePage({Key? key, required this.title}) : super(key: key);

  final String title;

  @override
  State<MyHomePage> createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {

  @override
  Widget build(BuildContext context) {

    return Scaffold(
      appBar: AppBar(
        title: Text(widget.title),
      ),
      body: Center(
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: const <Widget>[
            Text(
              'home page',
            ),
          ],
        ),
      ),
    );
  }
}
